Finding the Fourth Proportional to 116,582.99, 160,888.16 and 66,285.23
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Solution
The fourth proportional to 116,582.99, 160,888.16 and 66,285.23 is: 91,475.68
Step by Step Solution
- Step 1: Write the proportion equation
116,582.99 : 160,888.16 = 66,285.23 : x - Step 2: Convert to fraction form
116,582.99/160,888.16 = 66,285.23/x - Step 3: Cross multiply
116,582.99x = 160,888.16 × 66,285.23 - Step 4: Simplify right side
116,582.99x = 10,664,508,358.45 - Step 5: Solve for x
x = 10,664,508,358.45/116,582.99 - Step 6: Final answer
x = 91,475.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.